Derbi Dirt Kid50: history, specs, pictures

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Derbi Dirt Kid50
Manufacturer
Also called Dirt Kid12, Dirt Kid 12, Dirt Kid, Dirt Kid 50
Production 2006 - 2009
Engine
single cylinder, four-stroke
Bore / Stroke 39.0mm x 41.8mm
Horsepower 4.56 HP (3.4 KW) @ 8500RPM
Fuel System carburetor
Ignition c.d.i.
Transmission Gear box: 1-speed

Final Drive: belt

Clutch: wet housing
Suspension Front: hydraulic fork.
Rear: monoshock.
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 2.50-12
Rear Tire 2.75-10
Wheelbase 39.17 inches (995 mm)
Length 56.3 inches (1430 mm)
Width 32.09 inches (815 mm)
Height 49.61 inches (1260 mm)
Seat Height 26.97 inches (685 mm)
Weight 103.62 pounds (47.0 Kg) (dry),
Fuel Capacity 0.61 Gallon (2.30 Liters)
Manuals Service Manual


The Derbi Dirt Kid50 was a single cylinder, four-stroke standard produced by Derbi between 2006 and 2009. Claimed horsepower was 4.56 HP (3.4 KW) @ 8500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 39.0mm bore x 41.8mm stroke result in a displacement of just 49.9 cubic centimeters.

Drive[edit | edit source]

The bike has a 1-speed transmission. Power was moderated via the wet housing.

Chassis[edit | edit source]

It came with a 2.50-12 front tire and a 2.75-10 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a hydraulic fork. while the rear was equipped with a monoshock.. The Dirt Kid50 was fitted with a 0.61 Gallon (2.30 Liters) fuel tank. The bike weighed just 103.62 pounds (47.0 Kg). The wheelbase was 39.17 inches (995 mm) long.